Use the product rule to simplify the expression. ?  

A. 3
B. 3
C. 3
D. 3x2


Answer: B

Mathematics

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Determine whether the given function satisfies a Laplace equation.f(x, y) = e3ysin 3x

A. No B. Yes

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Solve the problem.A restaurant offers a choice of 5 salads, 8 main courses, and 3 desserts. How many possible  meals are there?

A. 240 possible meals B. 120 possible meals C. 16 possible meals D. 40 possible meals

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Find the vertex and axis of symmetry of the graph of the function.f(x) = -x2 - 4x

A. (2, -4); x = 2 B. (-4, 2); x = -4 C. (-2, 4); x = -2 D. (4, -2); x = 4

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Write the logarithmic equation in exponential form.log5 125 = 3

A. 5125 = 3 B. 53 = 125 C. 35 = 125 D. 1253 = 5

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